When stuck in any godawful show the first step to enjoying life again is to admit that yes, this truly is godawful. It is a great relief to give up all hope and free your mind to wander recklessly and brain-vomit ruthlessly. My favourite thing to do in this situation is come up with lists. Here is one I made recently:

Ten 60-minutes(ish) things that are better than a terrible 60-minute(ish) theatre show: